23026505 has 4 divisors (see below), whose sum is σ = 27631812. Its totient is φ = 18421200.

The previous prime is 23026477. The next prime is 23026511. The reversal of 23026505 is 50562032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5895184 + 17131321 = 2428^2 + 4139^2 .

It is not a de Polignac number, because 23026505 - 2²⁰ = 21977929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2302646 + ... + 2302655.

It is an arithmetic number, because the mean of its divisors is an integer number (6907953).

Almost surely, 2^23026505 is an apocalyptic number.

It is an amenable number.

23026505 is a deficient number, since it is larger than the sum of its proper divisors (4605307).

23026505 is an equidigital number, since it uses as much as digits as its factorization.

23026505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605306.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 23026505 is about 4798.5940649319. The cubic root of 23026505 is about 284.4958976349.

Adding to 23026505 its reverse (50562032), we get a palindrome (73588537).

The spelling of 23026505 in words is "twenty-three million, twenty-six thousand, five hundred five".